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# Astronomers at the Palomar Observatory have discovered a

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Manager
Joined: 28 Mar 2009
Posts: 71
Astronomers at the Palomar Observatory have discovered a [#permalink]

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18 Jul 2009, 00:36
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Astronomers at the Palomar Observatory have discovered a distant supernova explosion, one that they believe is a type previously unknown to science.
(A) that they believe is
(B) that they believe is to be
(C) they believe that it is of
(D) they believe that is
(E) they believe to be of
Senior Manager
Joined: 26 May 2009
Posts: 279

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18 Jul 2009, 02:26
"one that" is unnecessarily redundant. so between C , D and E, IMO E.
Senior Manager
Joined: 25 Jun 2009
Posts: 293

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18 Jul 2009, 03:05
skim wrote:
Astronomers at the Palomar Observatory have discovered a distant supernova explosion, one that they believe is a type previously unknown to science.
(A) that they believe is
(B) that they believe is to be
(C) they believe that it is of
(D) they believe that is
(E) they believe to be of

Correct Idiom is "believe X to be Y", So A, C and D is out. Now between B and E "that" is redundant and hence E is the correct answer.

Cheers
Re: Palomar Observatory   [#permalink] 18 Jul 2009, 03:05
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# Astronomers at the Palomar Observatory have discovered a

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